Παραπομπή APA

N.D.G.James. (1990). The Arboricculturalist's Companion: A guide to the care of Trees. Basil Blackwell.

Παραπομπή Chicago Style

N.D.G.James. The Arboricculturalist's Companion: A Guide to the Care of Trees. Basil Blackwell, 1990.

Παραπομπή MLA

N.D.G.James. The Arboricculturalist's Companion: A Guide to the Care of Trees. Basil Blackwell, 1990.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.